80 lines
3.2 KiB
Python
80 lines
3.2 KiB
Python
"""add operation log audit fields
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Revision ID: add_operation_log_audit_fields
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Revises: shift_all_timestamps_to_beijing
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Create Date: 2026-03-11
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"""
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from __future__ import annotations
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from alembic import op
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import sqlalchemy as sa
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revision = "add_operation_log_audit_fields"
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down_revision = "shift_all_timestamps_to_beijing"
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branch_labels = None
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depends_on = None
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def _table_exists(bind, table_name: str) -> bool:
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return sa.inspect(bind).has_table(table_name)
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def _column_exists(bind, table_name: str, column_name: str) -> bool:
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inspector = sa.inspect(bind)
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if not inspector.has_table(table_name):
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return False
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return any(col.get("name") == column_name for col in inspector.get_columns(table_name))
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def _index_exists(bind, table_name: str, index_name: str) -> bool:
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inspector = sa.inspect(bind)
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if not inspector.has_table(table_name):
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return False
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return any(idx.get("name") == index_name for idx in inspector.get_indexes(table_name))
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def upgrade() -> None:
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bind = op.get_bind()
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if not _table_exists(bind, "operation_logs"):
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return
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with op.batch_alter_table("operation_logs") as batch_op:
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if not _column_exists(bind, "operation_logs", "trace_id"):
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batch_op.add_column(sa.Column("trace_id", sa.String(length=64), nullable=True))
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if not _column_exists(bind, "operation_logs", "interface_path"):
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batch_op.add_column(sa.Column("interface_path", sa.String(length=255), nullable=True))
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if not _column_exists(bind, "operation_logs", "caller"):
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batch_op.add_column(
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sa.Column("caller", sa.String(length=16), nullable=False, server_default=sa.text("'system'"))
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)
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if not _index_exists(bind, "operation_logs", "ix_operation_logs_trace_id"):
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op.create_index("ix_operation_logs_trace_id", "operation_logs", ["trace_id"], unique=False)
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if not _index_exists(bind, "operation_logs", "ix_operation_logs_interface_path"):
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op.create_index("ix_operation_logs_interface_path", "operation_logs", ["interface_path"], unique=False)
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if not _index_exists(bind, "operation_logs", "ix_operation_logs_caller"):
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op.create_index("ix_operation_logs_caller", "operation_logs", ["caller"], unique=False)
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def downgrade() -> None:
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bind = op.get_bind()
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if not _table_exists(bind, "operation_logs"):
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return
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if _index_exists(bind, "operation_logs", "ix_operation_logs_caller"):
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op.drop_index("ix_operation_logs_caller", table_name="operation_logs")
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if _index_exists(bind, "operation_logs", "ix_operation_logs_interface_path"):
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op.drop_index("ix_operation_logs_interface_path", table_name="operation_logs")
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if _index_exists(bind, "operation_logs", "ix_operation_logs_trace_id"):
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op.drop_index("ix_operation_logs_trace_id", table_name="operation_logs")
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with op.batch_alter_table("operation_logs") as batch_op:
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if _column_exists(bind, "operation_logs", "caller"):
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batch_op.drop_column("caller")
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if _column_exists(bind, "operation_logs", "interface_path"):
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batch_op.drop_column("interface_path")
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if _column_exists(bind, "operation_logs", "trace_id"):
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batch_op.drop_column("trace_id")
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